374 BULLETIN 44, UNITED STATES NATIONAL MUSEUM. 



Genns YRIAS Gn. 

 1852. Gn., Spec. Gen., Noct., in, 21. 



Y. clientis Grt. 



1882. Grt., Can. Ent., xiv, 236, Trias. 



HABITAT. Arizona. 



Types are in the Neumregen collection and in the National Museum. 



Y. volucris Grt. 



1883. Grt., Can. Ent., XV, 3, Trias. 



HABITAT. Arizona. 



The type is with Mr. Neumregeu. 



Y. repentis Gri.* 



1881. Grt., Papilio, i, 165, Homopyralis. 



1882. Grt., Can. Eiit., xiv, 234, Trias. 



HABITAT. Arizona. 



The type is with Mr. Neumcegen. 



Y. crudelis Grt.* 



1882. Grt., Can. Ent., xiv, 237, Trias. 

 HABITAT. Arizona; Texas, in March : California. 

 A type is with Mr. Neumcegeu; another in the National Museum. 



Genus HOMOPYRALIS Grt. 

 1874. Grt., Proc. Ac. Nat. Sci. Phil., 213. 



H. discalis Grt.* 



1876. Grt., Can. Ent., vin, 206, Homopyralis. 



HABITAT. Canada; Northern, Middle and Central States; New 

 Mexico; June to August in New York. 

 The type is in the British Museum. 



H. contracta Wile.* 



1860. Wlk., Can. Nat. and Geol., V, 258, ffomoptera. 

 1865. Bethune, Canadian Journal, x, 258, Ho-moptcra. 



1877. Grt., Can. Ent., ix, 28,^= Homopyralis tact us. 

 zonata Wlk. 



1865. Wlk., C. B. Mus., Het., xxxm, 878, Homoptera. 



tactus Grt. 



1874. Grt., Proc. Ac. Nat. Sci. Phil., 1874, 213, Homopyralis. 

 1877. Grt., Can. Eut., ix, 28, pr. syn. 



HABITAT. Canada to Florida, to Texas; northern range in June and 

 July; District of Columbia in August; Delaware in June. 



The types of zonata and tactus are in the British Museum, and these 

 are undoubtedly alike, specifically. Mr. Grote refers contracta posi- 

 tively to tactus, but continues to use his own specific name. The type 

 of contracta is in the collection of the Entomological Society of On- 

 tario. 



